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KVPY Sample Paper KVPY Stream-SX Model Paper-9

  • question_answer
    In stratosphere, which of the following elements acts as a catalyst in degradation of ozone» and release of molecular oxygen?

    A) \[Fe\]

    B) \[Cl\]

    C) Carbon

    D) Oxygen

    Correct Answer: B

    Solution :

    UV rays act on CFCs, releasing Cl atoms, chlorine reacts with ozone in sequential method converting oxygen.


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